Neoplasia — Flashcards

Flashcard 1671: Is bronchial carcinoid tumor related to smoking? _____

Answer: No

Flashcard 1672: The _____ variant of papillary thyroid cancer is characterized by cells whose height is at least twice their width.

Answer: Tall cell variant

Extra: Tall cell variant is a more aggressive subtype of papillary thyroid carcinoma, often seen in older individuals and associated with higher rates of vascular invasion and extrathyroidal extension. The cells are characterized by abundant eosinophilic cytoplasm and a height that is at least twice (some sources say thrice) their width.

Flashcard 1673: What is the relative risk of developing invasive breast carcinoma with fibrosis and cysts (fibrocystic changes)? _____

Answer: No increased risk

Flashcard 1674: What area of the body does the acral lentiginous subtype of melanoma typically arise?_____

Answer: Palms or soles

Flashcard 1675: When performing Immunohistochemistry; a _____ stain can be used to identify neuroblastomas, medulloblastomas, retinoblastomas

Answer: Neurofilament

Flashcard 1676: Hepatic _____ is a malignant tumor associated with exposure to arsenic, thorotrast and vinyl chloride

Answer: angiosarcoma

Flashcard 1677: Nasopharyngeal angiofibromas often present with profuse _____

Answer: epistaxis

Flashcard 1678: One subtype of invasive ductal carcinoma (breast) is _____ carcinoma, which produces tubules in a desmoplastic stroma

Answer: tubular

Flashcard 1679: What is the most common primary renal malignancy? _____

Answer: Renal cell carcinoma

Flashcard 1680: _____ radiation is associated with papillary carcinoma of the thyroid

Answer: Ionizing